Analysis of interatomic Contacts of Structural Units in PDB entry:
9S3O

Contacts of Structural Units (CSU) are derived with the CSU software (Sobolev V., Sorokine A., Prilusky J., Abola E.E. and Edelman M. (1999) Automated analysis of interatomic contacts in proteins. Bioinformatics, 15, 327-332).
This page provides analyses of contacts formed by:

chains
helices
sheets
residues

For analysis of ligand-protein contacts, use:

LPC software

3D structure can be seen in additional window with STING software for 9S3O entry

There are 2 chains in PDB entry 9S3O (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
B	SER 5	ILE 378
D	ILE 3	THR 374

There are 23 helices in PDB entry 9S3O. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	B	16	32	Right-handed alpha
Helix 2	AA2	B	54	69	Right-handed alpha
Helix 3	AA3	B	81	92	Right-handed alpha
Helix 4	AA4	B	117	129	Right-handed alpha
Helix 5	AA5	B	139	142	Right-handed 310
Helix 6	AA6	B	143	157	Right-handed alpha
Helix 7	AA7	B	169	183	Right-handed alpha
Helix 8	AA8	B	193	208	Right-handed alpha
Helix 9	AA9	B	222	226	Right-handed 310
Helix 10	AB1	B	228	235	Right-handed alpha
Helix 11	AB2	B	248	261	Right-handed alpha
Helix 12	AB3	B	274	296	Right-handed alpha
Helix 13	AB4	B	326	330	Right-handed alpha
Helix 14	AB5	D	14	27	Right-handed alpha
Helix 15	AB6	D	45	58	Right-handed alpha
Helix 16	AB7	D	72	84	Right-handed alpha
Helix 17	AB8	D	111	119	Right-handed alpha
Helix 18	AB9	D	136	148	Right-handed alpha
Helix 19	AC1	D	163	178	Right-handed alpha
Helix 20	AC2	D	188	203	Right-handed alpha
Helix 21	AC3	D	243	254	Right-handed alpha
Helix 22	AC4	D	270	293	Right-handed alpha
Helix 23	AC5	D	316	326	Right-handed alpha

There are 8 sheets in PDB entry 9S3O. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6, AA7, AA8,

There are 2 strands in AA1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	6	7	first strand
Strand 2	B	43	44	parallel

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There are 4 strands in AA2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	9	11	first strand
Strand 2	B	72	75	parallel
Strand 3	B	95	98	parallel
Strand 4	B	110	112	parallel

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There are 8 strands in AA3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	159	164	first strand
Strand 2	B	132	137	parallel
Strand 3	B	187	191	parallel
Strand 4	B	215	218	parallel
Strand 5	B	237	242	parallel
Strand 6	B	353	359	anti-parallel
Strand 7	B	362	370	anti-parallel
Strand 8	B	374	377	anti-parallel

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There are 2 strands in AA4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	332	335	first strand
Strand 2	B	338	341	anti-parallel

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There are 2 strands in AA5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	7	10	first strand
Strand 2	D	38	41	parallel

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There are 2 strands in AA6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	64	65	first strand
Strand 2	D	87	88	parallel

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There are 8 strands in AA7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	153	156	first strand
Strand 2	D	125	129	parallel
Strand 3	D	182	185	parallel
Strand 4	D	210	213	parallel
Strand 5	D	232	237	parallel
Strand 6	D	349	354	anti-parallel
Strand 7	D	360	365	anti-parallel
Strand 8	D	371	373	anti-parallel

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There are 2 strands in AA8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	328	331	first strand
Strand 2	D	334	337	anti-parallel

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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il

Analysis of interatomic Contacts of Structural Units in PDB entry: 9S3O

Analysis of interatomic Contacts of Structural Units in PDB entry:
9S3O